Error:Execution failed for task ':app:dexDebug' when compiling GooglePlayServices with 'org.bytedeco', name: 'javacv'

Question

I'm merging audio with video by compiling compile group: 'org.bytedeco', name: 'javacv', version: '1.1' and everything works fine.

But when i try to compile compile 'com.google.android.gms:play-services:8.4.0' with it ,its giving this error

Error:Execution failed for task ':app:dexDebug'. com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_75\bin\java.exe'' finished with non-zero exit value 2

Build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 23
    buildToolsVersion '23.0.2'

    defaultConfig {
        applicationId "com.app.id"
        minSdkVersion 14
        targetSdkVersion 23
    }

    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
        }
    }

    sourceSets.main {
        jni.srcDirs = []
        jniLibs.srcDir 'src/main/jniLibs'
    }
}

dependencies {
    compile group: 'org.bytedeco', name: 'javacv', version: '1.1'
    compile 'com.android.support:appcompat-v7:23.2.0'
    compile 'com.google.android.gms:play-services:8.4.0'
}